Tumor imaging
(A) H&E staining representing untreated colon and DSS-induced colitis (day 7) histology.
(B) Colonoscopy images of APTKA orthotopic tumor transplanted in C57BL/6 mouse 2, 3 and 4 weeks post-orthotopic transplantation. White lines mark the tumor area.
(C) Endoscopic probe marked by a ruler and used to determine the distance of the lower tumor margin from the anus.
(D) H&E staining representing APTKA tumors 2 and 3 weeks post-orthotopic transplantation. White lines indicate basal membrane and where invasive tumor area start. Scale bars represent 700 and 200 μm.